Is Hanna City, IL Tap Water Safe to Drink?
Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓
93.2/100
Hanna City, IL — Water Quality Report
Hanna City's drinking water received a grade of A (93.2 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,253 residents using purchased ground water.
Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 19 violations on record, including 6 health-based violations. 1 remains unresolved.
What to know about Hanna City's water
Hanna City ranks #48 out of 891 cities in Illinois for water quality, placing it one of the best in the state.
Hanna City purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.
As a small community water system, Hanna City may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Hanna City, IL water safe to drink?
Hanna City's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (93.2/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,253 residents using groundwater (wells).
Recent water quality updates for Hanna City
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Hanna City's water quality assessment. Grade: A (93.2/100).
Federal disaster declaration (FEMA DR-4116). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3230). Hurricane event — may have impacted local water infrastructure.
Contaminants: Coliform (TCR).
Contaminants: Coliform (TCR).
Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for Hanna City's water supply.
Well within EPA limits.
Violation history
Hanna City's water system has 19 total violations on record, including 6 health-based violations. 1 remain unresolved.
Flood & environmental risk
Peoria County has experienced 6 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Illinois River.
Where does Hanna City's water come from?
Hanna City's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,253 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Illinois River (river).
What Hanna City residents can do
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Hanna City's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Hanna City
Industrial polluters nearby
Reported releases to surface water by facilities near Hanna City, ranked by pounds discharged annually.
Total reported releases to surface water: 1,593 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
KEYSTONE STEEL & WIRE CO D/B/A LIBERTY STEEL & WIRE PEORIA BARTONVILLE, IL61607 | Manganese compounds | 1,201 | 8.9 mi |
CATERPILLAR INC MAPLETON PLANT MAPLETON, IL61547 | Chlorine | 376 | 9.6 mi |
EVONIK CORP MAPLETON, IL61547 | Zinc compounds | 16 | 9.7 mi |
ARXADA LLC MAPLETON, IL61547 | — | — | 9.7 mi |
INGREDION MAPLETON, IL61547 | — | — | 9.7 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Peoria County has experienced 6 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Hanna City compares by contaminant
Explore where Hanna City ranks among all Illinois cities for specific contaminants.
Water source & infrastructure
Where Hanna City's water comes from
Hanna City purchases its water supply from a regional wholesale provider rather than treating raw water directly.
Water quality depends on both the wholesaler's treatment standards and the condition of Hanna City's local distribution pipes and storage facilities.
Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.
The system is operated by local government ownership and serves approximately 1,253 people through 1 water system.
Water bodies near Hanna City
Hanna City is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Hanna City
| System Name | PWSID | Population | Source |
|---|---|---|---|
| HANNA CITY | IL1430400 | 1,253 | GWP |
How Hanna City compares
Full Illinois rankings →Hanna City's score of 93.2/100 is above the average of 56/100 among major Illinois cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Illinois rankings →About Hanna City, IL
Learn more about your water
Guides and resources related to Hanna City's water quality findings.
Explore water quality across Peoria
Frequently asked questions
Is Hanna City, IL tap water safe to drink?
Hanna City's water quality earned a grade of A (93.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #48 out of 891 cities tested in Illinois.
What contaminants are in Hanna City's water?
Lead was measured at 0.0 ppb (90th percentile). 19 violations are on record.
How is Hanna City's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Hanna City?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Hanna City's water come from?
Hanna City's water is sourced from Purchased ground water. The city has 1 water system serving approximately 1,253 residents.
What health violations has Hanna City's water system had?
Hanna City has 6 health-based violations on record. The most recent violation was recorded in December 1999. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.
Is Hanna City's groundwater at risk of contamination?
Hanna City uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 19 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Hanna City's water compare to other cities?
Hanna City ranks #48 out of 891 cities in Illinois (better than 95% of state cities) and #940 out of 15744 cities nationally (94th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Hanna City's small water system affect quality?
Hanna City's system serves approximately 1,253 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 19 violations on record.